Perth, Ontario Weather
Perth, Ontario — live current conditions, hourly and 7-day forecasts, ECCC alerts, aviation weather, radar and satellite imagery, marine and fishing conditions with a solunar forecast for Perth in Lanark.
Marine forecast and fishing conditions near Perth.
Flight conditions near Perth. Data source: locating…
About Perth, Ontario
Perth is a town in Lanark, Ontario, Canada. It has a population of approximately 6,469. Perth is located at 44.8994°N, 76.2504°W. It observes Eastern Time (UTC−5 / −4). Postal code area: K7H.
Perth rests with a quiet weight upon the Ontario landscape, defined by the steady presence of the Tay River as it winds through the heart of the settlement. It lies 18.2 km west of Smiths Falls, ON (from Smiths Falls, ON: bearing 269°T), and is situated 15.8 km south-east of Lanark. The land rises toward the heights of Stanleys Hill, providing a backdrop that catches the long, amber light of late afternoon, casting the surrounding fields into deep relief. Nearby, Thoms Mud Lake holds a mirror to the sky, serving as a reminder of the water-rich terrain that settles into the hollows and dips of the earth. The air here carries a crisp, clean clarity, often smelling of damp moss and the turning of seasons, grounding the senses in a geography that feels both ancient and immediate. Foundations for Perth were laid by settlers who recognized the potential of the water power offered by the Tay River, which once turned the wheels of early grist and sawmills. The local economy shifted over generations from these initial industrial efforts toward a diverse range of enterprises, including specialized manufacturing and a thriving small-business sector that occupies the historic stone buildings lining the streets. People move through their days with a steady purpose, balancing the demands of modern commerce with the maintenance of heritage structures that anchor the identity of Perth. The legacy of these early trades remains visible in the sturdy masonry and the careful preservation of the central core, where the industrious spirit of the past continues to shape the current commercial landscape. Cultural life in Perth finds its expression in the preservation of tradition and the hosting of gatherings that bring neighbors together under the changing canopy of the seasons. The architecture serves as a living record of the past, with stone facades reflecting the craftsmanship of those who first cleared the land and built homes near the banks of the Tay River. Residents often gather for local festivals that celebrate the specific character of the region, emphasizing a shared pride in the well-kept streets and the proximity to the natural features that define the outskirts. Life here follows the turn of the sun and the flow of the water, creating a persistent sense of continuity that resides in the architecture and the quiet, deliberate pace of daily interaction.
Live animated radar for Perth and surroundings — RainViewer.
NOAA GOES-19 GEOCOLOR — Canada / Northern U.S. sector. Auto-refreshes every 10 minutes on page reload. Frames the whole country from Newfoundland to the BC coast, plus adjacent Pacific and Atlantic storm approaches.
Source: NOAA/NESDIS GOES-19 · Public domain · Sector code can (Canada / Northern U.S.) · Auto-updates on page reload
| Location | Perth, Lanark, Ontario |
| Coordinates | 44.89943°N, 76.25039°W |
| Timezone | Eastern Time (UTC−5 / −4) |
| Postal FSA | K7H |
| Area Code | 226, 249, 289, 343, 365, 382, 416, 437, 519, 548, 613, 647, 705, 742, 807, 905 |
| Page generated | July 2026 |
| Weather data | Open-Meteo (open-source), Environment and Climate Change Canada |
About This Perth, Ontario Weather Page
This page provides live weather conditions and forecasts for Perth, Ontario, including current conditions, a 24-hour hourly forecast, 7-day outlook, ECCC extended text forecast, real-time aviation weather (live METAR and TAF reports from the nearest reporting airport, with a modelled estimate shown when no station is in range), precipitation radar and NOAA GOES satellite imagery. Additional sections may include marine and fishing conditions with a solunar forecast for coastal localities, and soil temperature, crop weather and live Water Survey of Canada river gauge data for agricultural areas near a monitored waterway. All data updates automatically on every page visit.
Location data for Perth includes coordinates 44.899430°N, 76.250390°W, situated in Lanark. Postal FSA: K7H. Telephone area code: 226, 249, 289, 343, 365, 382, 416, 437, 519, 548, 613, 647, 705, 742, 807, 905. Timezone: Eastern Time (UTC−5 / −4).
Weather data is sourced from Environment and Climate Change Canada (ECCC) and the open-source Open-Meteo API. Aviation data is sourced from aviationweather.gov, with a modelled estimate used where no nearby reporting station is available. River and stream data is sourced from Water Survey of Canada (WSC) via the ECCC GeoMet realtime hydrometric feed. Marine and solunar data are modelled from Open-Meteo and public sunrise/moon calculations and should be treated as a general guide alongside on-the-water conditions. Radar is provided by RainViewer. Satellite imagery is sourced from NOAA/NESDIS GOES-19 and is public domain.